Question: Question 2 (3 points) In a relational database, tables, rows, and columns represent (respectively) O Real-world entities, single entity instances, and entity attributes Clients, servers,

Question 2 (3 points) In a relational database, tables, rows, and

Question 2 (3 points) In a relational database, tables, rows, and columns represent (respectively) O Real-world entities, single entity instances, and entity attributes Clients, servers, ne Entity attributes, indexes, primary keys Entity instances, entity attributes, and individual cells Question 3 (3 points) Saved SQL Server defines all numeric columns with a single data type: NUMBER True False Question 4 (3 points) In contrast to network and hierarchical database systems, relational databases: Can only represent one-to-one relationships Can represent one-to-many, many-to-many, and ad-hoc relationships Can only represent one-to-may relationships Can represent one-to-many, one-to-one, and many-to-many relationships Question 5 (3 points) Saved The development of the relational model dates back as far as 1992, by Larry Ellison 1982, by Bill Gates 1896, by Thomas Edison 1970, by E.F.Codd Question 6 (3 points) Saved Which of the following relational database implementations is open source? Oracle Microsoft SQL Server MySQL DB2

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